I am having problems with the pdp 11/04 I picked up last week. If I power on with the machine without the extra cards, I get output on the la36 with a $ prompt. So far so good. But with the card cage connected the run light is permenantly on (ie. with halt switched), with no output.on anything (There are two rs232, la36 and a display unit) So the main questions are : what could cause this ?. The main cpu box has a 7856 which the la36 is connected to, also a 7800 which has an rs232 cable connected to it, how do I get the console output to this so I can use vtserver on it ? The controller card for the rx01 is in the extra card box, In the short term can this be moved to the main box ? It has a dead rk11-d and an untested rk11-c with no power supply unit and no case. What sort of power supply runs this, I also picked up about 5 different power supplies with this, so one of these might do the trick. Thanks for any help Dan